1003002205 has 4 divisors (see below), whose sum is σ = 1203602652. Its totient is φ = 802401760.

The previous prime is 1003002173. The next prime is 1003002211. The reversal of 1003002205 is 5022003001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167676601 + 835325604 = 12949^2 + 28902^2 .

It is not a de Polignac number, because 1003002205 - 2⁵ = 1003002173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100300216 + ... + 100300225.

It is an arithmetic number, because the mean of its divisors is an integer number (300900663).

Almost surely, 2^1003002205 is an apocalyptic number.

It is an amenable number.

1003002205 is a deficient number, since it is larger than the sum of its proper divisors (200600447).

1003002205 is an equidigital number, since it uses as much as digits as its factorization.

1003002205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200600446.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1003002205 is about 31670.2100561395. The cubic root of 1003002205 is about 1000.9997351965. Note that the first 3 decimals are identical.

Adding to 1003002205 its reverse (5022003001), we get a palindrome (6025005206).

It can be divided in two parts, 100300220 and 5, that added together give a square (100300225 = 10015²).

The spelling of 1003002205 in words is "one billion, three million, two thousand, two hundred five".